Shipping cube



FIG. 1 is a perspective view of the shipping cube shown in an expanded state;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and

FIG. 8 is a collapsed perspective view of the shipping cube;

FIG. 9 is the front view thereof;

FIG. 10 is the back view thereof;

FIG. 11 is the right side view thereof;

FIG. 12 is the left side view thereof;

FIG. 13 is the top view thereof; and,

FIG. 14 is the bottom view thereof. 

CLAIM The ornamental design for a shipping cube, as shown and described. 